Troubleshooting - Nordson Mesa Fulfill Customer Product Manual

30 
Fulfill Retrofit for Mesat Melters

Troubleshooting

S
NOTE: Refer to Appendix A, Retrofit Refill System With Nordson Level Sensor, for updated
information.
Problem
1. System overfilled
2. System underfilled
3. Frequent overfill
alarms with no cause
Part 1121938_02
Possible Cause
Solenoid stuck open
Sensor ground wire not connected
Refill board not working
Sensor not calibrated properly
No adhesive
No power
Adhesive bridging
Clogged wand/hose/lid
Clogged filter sock
No/low air pressure
No power to the level sensor
Deflector bent
No power to fill board
Solenoid failure
Bad fill board
Overfill timer too short
Sensor not calibrated properly
Timers not properly set
Corrective Action
Clean or replace.
Connect.
Replace if defective. See Refill PCA
Troubleshooting Instructions shown
later in the Troubleshooting section.
Calibrate the sensor. Refer to Level
Sensor Adjustment and Calibration
provided earlier.
Add adhesive.
Ensure that power is available to the
system.
Dislodge adhesive. Add optional
vibrator kit if problem persists.
Inspect the parts for improper
connections, clogs or kinks. Replace
as needed.
Replace if needed.
Verify that sufficient air pressure and
flowrate is supplied to the Fulfill unit
from your factory. Static pressure
should be 65 psi min.; operating
pressure should be 45 psi min.
Replace the regulator if defective.
Verify that power is being supplied to
the level sensor (LED not lit = no
power) and that the power cord is
installed properly.
Repair or replace.
Verify power to the control box and at
the board. Replace if needed.
Verify the connections to the
solenoid. Replace if defective.
Replace. See Refill PCA
Troubleshooting Instructions shown
later in the Troubleshooting section.
Adjust timer.
Calibrate the sensor. Refer to Level
Sensor Adjustment and Calibration
provided earlier.
Adjust the timer settings. See Time
Settings provided earlier.
E 2013 Nordson Corporation